274686040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 684288000

約数和(自身を除く): 409601960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 89, 95, 124, 131, 152, 155, 178, 190, 248, 262, 310, 356, 380, 445, 524, 589, 620, 655, 712, 760, 890, 1048, 1178, 1240, 1310, 1691, 1780, 2356, 2489, 2620, 2759, 2945, 3382, 3560, 4061, 4712, 4978, 5240, 5518, 5890, 6764, 8122, 8455, 9956, 11036, 11659, 11780, 12445, 13528, 13795, 16244, 16910, 19912, 20305, 22072, 23318, 23560, 24890, 27590, 32488, 33820, 40610, 46636, 49780, 52421, 55180, 58295, 67640, 77159, 81220, 93272, 99560, 104842, 110360, 116590, 154318, 162440, 209684, 221521, 233180, 262105, 308636, 361429, 385795, 419368, 443042, 466360, 524210, 617272, 722858, 771590, 886084, 1048420, 1107605, 1445716, 1543180, 1772168, 1807145, 2096840, 2215210, 2891432, 3086360, 3614290, 4430420, 6867151, 7228580, 8860840, 13734302, 14457160, 27468604, 34335755, 54937208, 68671510, 137343020, 274686040]

約数ペア:

[(1, 274686040), (2, 137343020), (4, 68671510), (5, 54937208), (8, 34335755), (10, 27468604), (19, 14457160), (20, 13734302), (31, 8860840), (38, 7228580), (40, 6867151), (62, 4430420), (76, 3614290), (89, 3086360), (95, 2891432), (124, 2215210), (131, 2096840), (152, 1807145), (155, 1772168), (178, 1543180), (190, 1445716), (248, 1107605), (262, 1048420), (310, 886084), (356, 771590), (380, 722858), (445, 617272), (524, 524210), (589, 466360), (620, 443042), (655, 419368), (712, 385795), (760, 361429), (890, 308636), (1048, 262105), (1178, 233180), (1240, 221521), (1310, 209684), (1691, 162440), (1780, 154318), (2356, 116590), (2489, 110360), (2620, 104842), (2759, 99560), (2945, 93272), (3382, 81220), (3560, 77159), (4061, 67640), (4712, 58295), (4978, 55180), (5240, 52421), (5518, 49780), (5890, 46636), (6764, 40610), (8122, 33820), (8455, 32488), (9956, 27590), (11036, 24890), (11659, 23560), (11780, 23318), (12445, 22072), (13528, 20305), (13795, 19912), (16244, 16910)]